Picture window



FIG. 1 is a perspective view of my new design;

FIG. 2 is an enlarged fragmentary view of the lower right corner thereof; and,

FIG. 3 is a cross-sectional view taken generally along line 3--3 of FIG. 1, the interior surface profile being uniform about the entire perimeter of the window. 

The ornamental design for a picture window, as shown and described. 